Dilantin (phenytoin) is a prescription drug used for certain types of seizures. Dilantin comes as a liquid suspension, oral capsule, and chewable tablet. Your dosage may vary based on certain factors, ...

Dextromethorphan is an over-the-counter (OTC) medication that comes in two forms: oral suspension and oral capsules. The correct dose depends on what form you’re taking. Adults taking dextromethorphan ...

Dextromethorphan is a generic over-the-counter (OTC) drug used to relieve cough. The drug comes as an oral suspension and an oral liquid capsule. How often you take it depends on the form you take.